Extraction of lead(II) with cyanex 302 and its spectrophotometric determination with PAR

被引：24
作者：
Argekar, AP [1 ]
Shetty, AK [1 ]
机构：
[1] Inst Sci, Dept Chem, Analyt Lab, Bombay 400032, Maharashtra, India
来源：
TALANTA | 1998年 / 45卷 / 05期
关键词：
extractant; lead; spectrophotometry;
D O I：
10.1016/S0039-9140(97)00192-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A method is developed for the extraction of lead(II) from an aqueous solution of pH 2.1-8.3 with cyanex 302 [bis(2,4,4-trimethylpentyl monothiophosphinic acid)] in toluene as an extractant. Lead(II) was stripped with 0.1 mol dm(-3) nitric acid and determined spectrophotometrically with PAR. The method is most sensitive and permits the separation of lead(II) from binary mixtures containing commonly associated metal ions. The method is applicable for the separation and determination of lead in alloys and environmental samples. (C) 1998 Elsevier Science B.V.
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收藏
页码：909 / 915
页数：7
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